Disable Z90 internal speaker This topic is empty. Viewing 1 post (of 1 total) Author Posts 2. July 2012 at 13:56 #7409 bigglesukMember Total Post: 1Newbie★ Does anyone know how to disable the internal speaker on a Z90? I need to ability for the audio output to work with headphones, but don’t want any sound to come out the internal speaker when nothing is plugged into the headphone socket. Thanks, Adam Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In